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Xavier Stevens

Xavier Stevens

Ricercatore della sicurezza, Fastly

Xavier Stevens è Staff sicurezza Researcher presso Fastly, con un focus su ricerca sulle minacce, rilevamento, engineering e innovazione di prodotto.
Active exploitation of unauthenticated stored XSS vulnerabilities in WordPress PluginsTeam di ricerca sulla sicurezza di Fastly, Simran Khalsa, +2
We have observed active exploitation attempts targeting three high-severity CVEs: CVE-2024-2194, CVE-2023-6961, and CVE-2023-40000.
SicurezzaApprofondimenti del settore
Network Effect Threat Report: Uncovering the power of collective threat intelligenceTeam di ricerca sulla sicurezza di Fastly, Simran Khalsa, +3
Announcing the Network Effect Threat Report, Fastly’s threat intelligence report with insights based on unique data from April to June of 2023
SicurezzaApprofondimenti del settore+1
CVE-2023-34362: Progress MOVEit Transfer SQL Injection VulnerabilityTeam di ricerca sulla sicurezza di Fastly, Simran Khalsa, +3
What you need to know about CVE-2023-34362: Progress MOVEit Transfer SQL Injection Vulnerability
Sicurezza
What is TLS Fingerprinting?Team di ricerca sulla sicurezza di Fastly, Xavier Stevens
TLS fingerprinting has become a prevalent tool to help security defenders identify what clients are talking to their server infrastructure.
Sicurezza
Threat hunting network callbacks in WAF dataTeam di ricerca sulla sicurezza di Fastly, Xavier Stevens
Threat hunting is the practice of looking for active attackers who have possibly penetrated security boundaries within an organization. WAF data can be a valuable resource in threat hunting for network callbacks. Here’s how.
Sicurezza
Spring: CVE-2022-22963 & Spring4Shell (CVE-2022-22965) | FastlyTeam di ricerca sulla sicurezza di Fastly, Xavier Stevens, +1
In this post, we review details for two RCE vulnerabilities impacting Spring Cloud and Spring Framework, including how Fastly customers can protect themselves from this vulnerability.
Sicurezza
Il framework di efficacia WAF misura l’efficacia del WAF | FastlyTeam di ricerca sulla sicurezza di Fastly, Simran Khalsa, +1
Il nostro nuovo framework di efficacia WAF fornisce un modo standardizzato per misurare l’efficacia delle capacità di rilevamento di un web application firewall attraverso verifica e convalida continue. Ecco come funziona.
IngegneriaSicurezza
Log4Shell attacks (CVE-2021-44228) insights | FastlyTeam di ricerca sulla sicurezza di Fastly, Xavier Stevens, +1
We’re sharing our latest data and new insights into the Log4j/Log4Shell vulnerability (CVE-2021-44228 + CVE-2021-45046) in this post in order to help the engineering community cope with the situation. We also share our guidance around testing your environment against many of the new obfuscation methods that have been seen.
Approfondimenti del settoreSicurezza
Log4Shell exploit found in Log4j | FastlyTeam di ricerca sulla sicurezza di Fastly, Xavier Stevens, +1
CVE-2021-44228 is a Remote Code Execution vulnerability in the Apache Log4j library being actively exploited. We provide our observations into the exploit and a summary of its impact.
SicurezzaIngegneria
Atlassian Confluence OGNL Injection Vulnerability Protection | FastlyTeam di ricerca sulla sicurezza di Fastly, Xavier Stevens, +1
Our Security Research Team has built and deployed a rule to help protect customers of our next-gen WAF against the recently announced Confluence Server OGNL injection vulnerability, CVE-2021-26084.
Sicurezza
Next-Gen WAF for Microsoft Exchange | FastlyTeam di ricerca sulla sicurezza di Fastly, Xavier Stevens, +1
Fastly’s security research team has built and deployed a rule to protect Signal Sciences Next-Gen WAF customers against the recently announced Microsoft Exchange Server vulnerabilities.
ProdottoSicurezza